Day likely had its origin way back in the 15th Century. But today it's become more of a day for marketing mischief by big brands.

Today is April 2, a normal day. Got you! Today is actually April 1 or April Fools’ Day, when it’s considered funny and appropriate for brands to post inaccurate information. At The Washington Post, we like to get into the spirit of the holiday by rounding up every corporate April Fools’ joke we can find and debunking them all in a humorless list.